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46 lines
1.1 KiB
46 lines
1.1 KiB
# -*- encoding: utf-8 -*-
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from __future__ import unicode_literals
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from sqlalchemy.sql import select, not_
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from isso.models import Thread
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class Controller(object):
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def __init__(self, db):
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self.db = db
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def new(self, uri, title=None):
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_id = self.db.engine.execute(
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self.db.threads.insert().values(uri=uri, title=title)
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).inserted_primary_key[0]
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return Thread(_id, uri, title)
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def get(self, uri):
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rv = self.db.engine.execute(
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self.db.threads.select(self.db.threads.c.uri == uri)).fetchone()
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if not rv:
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return None
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return Thread(*rv)
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def delete(self, uri):
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thread = self.get(uri)
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self.db.engine.execute(
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self.db.comments.delete().where(self.db.comments.c.thread == thread.id))
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self.db.engine.execute(
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self.db.threads.delete().where(self.db.threads.c.id == thread.id))
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def prune(self):
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return self.db.engine.execute(self.db.threads
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.delete()
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.where(not_(self.db.threads.c.id.in_(
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select([self.db.comments.c.thread]))))).rowcount
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